The frequency analysis of vibrations caused by rotating machines (pumps/fans) can provide useful indicators of future failures.
Quartzelec is a leading independent electrical engineering service provider offering solutions and services for rotating machines (motors and generators up to 600MW) and associated static plants utilised in the global power-generation markets. These services include repair and rewind, overhaul, maintenance, service, diagnostic testing and major spares support.
The company has the ability to work on any OEM-manufactured machine and / or equipment, including those built by GEC, GEC Alsthom, ALSTOM and Cegelec.
Servicing of rotating electrical machines
Quartzelec provides support services for rotating electrical machines, covering the following areas: steam turbine generators, gas turbine generators, hydro generators, large AC motors (including FD and ID fan motors, BF pump and CW pump motors) and ancillary equipment (which includes excitation, protection and control).
Rotating machines maintenance, LTSAs and LEPs
Rotating machines by definition will suffer electrical and mechanical stress, wear out, overheat, corrode and can even catastrophically fail. It is vital to have a structured maintenance and repair strategy in place to avoid costly downtime and reduce total cost of ownership.
Long-term service agreements (LTSAs) and life enhancement programs (LEPs) ensure optimal plant reliability and efficiency. Engineering solutions extend the lifecycle of the project wherever possible, providing:
- Lifetime care and maintenance packages from basic annual inspection to total risk management
- Performance-based contracts
- 24/7 support service
- Immediate breakdown response
- Engineered solutions to extend machine life
Rotating machine design and engineering
Quartzelec’s design and engineering services for rotating electrical machines include:
- Design / redesign of all electrical rotating machines, motors and generators, cores, windings, retaining rings, supports, blocking and insulation
- Protection system design
- Feasibility studies for IEPs
- Excitation and AVR system design and supply
- Providing solutions to inherent design issues for rotating machines
Rotating machine repair and refurbishment
Quartzelec provides repair, rewinding, refurbishment and retrofitting of rotating machines including motors and generators from 415V up to 22kV, as well as repair of static and rotating mechanical plant. Workshop engineering and on-site diagnosis is a key part of the service.
Winding and re-insulation of electric motors, cryogenic decontamination (cryogenic cleaning), in-situ installation of replacement components and ancillary equipment, and on-site machining, including commutator skims for large DC drives, are also amongst its capabilities.
Installation and commissioning of rotating electrical machines
Quartzelec can install and commission rotating electrical machines and components, with services including:
- New machines (AC and DC / motors and generators)
- Repaired / refurbished machines
- Protection systems
- Ancillary control and instrumentation equipment, excitation systems
- On-site equipment commissioning
Site service for rotating machines
Electrical maintenance (with or without unit shutdown), non-destructive testing (electrical and mechanical), site safety, fire-detection system maintenance, condition-based maintenance, value system maintenance, and automation, operator and maintenance training are services for rotating machines that Quartzelec can provide at customers’ sites.
Major overhauls for rotating electrical machines
Major overhauls for rotating electrical machines can also be carried out. Winding and insulation, shafts, bearings, oil and hydrogen seals, couplings and retaining rings, and rotor and stator components can be replaced either on-site or at Quartzelec’s workshop.
Diagnostics and life assessment testing
Diagnostics and life assessment testing services include:
- In-situ balancing and laser realignment
- Remnant life assessments
- Condition monitoring (online and offline)
New equipment and spares supply for rotating machines
New equipment and spares supply includes:
- Design, manufacture and reverse engineering to OEM specifications
- Sourcing of replacement machines and associated parts
- Authorised stockists of leading LV/HV motor manufacturers
- Supply and management of capital spares and machine components
- Spares manufacture to OEM design and standard
- Stockholding and management for maintenance contracts
- Manufacture of certified terminal boxes
Quartzelec is a highly dynamic organisation. Staff are available 24/7 and dedicated to supporting customers with specialist expertise through a network of regional offices and workshop facilities. This gives the company the capability to provide worldwide support.
When a US-based engineering solutions provider needed urgent support to help in the rotor refurbishment of a pair of large hydro-generators at a pumped-storage underground power station, it turned to TS Metals, part of the Quartzelec group of companies, to engineer, laser profile and deliver the high specification components it needed.
Quartzelec, a leading independent electrical engineering service provider, is increasingly being tasked by UK companies to undertake lightning protection surveys to ensure compliance with BS EN 62305:2011.
Quartzelec has joined the Achilles FPAL Verify network to further demonstrate its commitment to delivering high-quality services available to the oil and gas industry.
Quartzelec has recertified its Phase-Segregated Terminal Boxes range to new IEC standards, which includes the addition of full earth bonding.
A multinational construction materials manufacturer underwent a dramatic loss of high-voltage (HV) supply at one of its UK facilities in the early hours of the morning. Quartzelec investigated the issue to get the power back on.
Quartzelec is sponsoring the upcoming Steam Turbine and Generator User Group 2019.
Quartzelec has recently tendered for an Arc Flash Assessment at Mexichem, Runcorn, UK.
Quartzelec recently signed a contract to renovate an initial 60 'Ex' certified low-voltage (LV) motors for a gas refinery in Egypt.
Quartzelec’s New Excitation Control Systems Provide James Cropper with Enhanced Operational Performance
British master papermakers James Cropper turned to Quartzelec to design and deliver a viable and cost-effective replacement for an ‘obsolete’ 50-year old steam turbine generator control panel.
Quartzelec Designs, Builds and Installs New Synchronous Motor Starter Hub for Middle Eastern customer
When a utility company based in Saudi Arabia experienced operational problems with the starting hub of a critical synchronous motor drive, the company initially approached the motor OEM for assistance. Seeking a viable alternative, Quartzelec was approached to provide technical support.
Quartzelec is exhibiting at Electrify Europe, which will be held from 19-21 June 2018 in Messe Wien, Vienna, Austria.
Quartzelec has reported an increase in pre-tax revenues to £1.2m, based on a £63.4m turnover for the 30 September 2017 year.
Quartzelec has recently fitted a brushless AC exciter at the Mucomir Hydropower station in Scotland.
Quartzelec has experienced a large increase in demand from across North and South America for its expert rotating electrical machines support services.
UK-based Quartzelec will soon provide its services to Indonesia, having recently made expansions in Malaysia and The Phillippines.
Quartzelec, one of the UK's leading suppliers of electrical engineering services, is currently exhibiting its most innovative solutions and services for rotating machines for the power generation industry at POWER-GEN Europe 2017.
When it comes to providing vital engineering support for high-voltage and low-voltage electrical assets including rotating machines and associated static plant within the expanding renewables sector, Quartzelec delivers a key set of skills on an ‘around-the-clock’ basis through its strategically placed UK workshop facilities.
The past decade has been an economic rollercoaster for many UK and international organisations.
Leading UK based independent electrical engineering group Quartzelec, has invested more than a million Euros in its Rugby based Quartzcoil manufacturing business, allowing it to further meet growing global demand for coils and bars that support the manufacture and refurbishment of AC/DC motors and generators.
A critical failure was prevented at the Tata Steel (Margam) operation in Port Talbot, South Wales due to ongoing electrical inspections and prompt intervention by Quartzelec, and the in-house team. The failure could have resulted in a loss of steel production, as well as a long rebuild programme and a large repair bill.
Demand for Quartzelec’s Range of ATEX Certified and Uncertified Terminal Boxes Jumps as Global Businesses Require Electrical Supply Protection
With an ever growing number of electrical machines now being manufactured and sourced from overseas, customers still need to ensure that the electrical terminal boxes comply with international safety and manufacturing standards, particularly if they are being operated in potentially hazardous environments.
As a technical authority in the field of rotating electrical machines, Quartzelec has now created a dedicated test area that has the ability to test all types of rotating electrical machines (AC/DC motors and generators), gearboxes and transformers to national and international standards, ensuring a wide range of dynamic and static tests can be delivered, either as a stand-alone service or encompassed within a repair or overhaul.
One of the most innovative and respected gas and hydrocarbon companies in the United Arab Emirates has just competitively tendered and awarded Quartzelec, a leading international electrical engineering group, with a significant service and support presence in the region, with a long term Partial Discharge monitoring contract to cover the next three years, with an option to extend.
Castle Mound Way
Suite 1904, 19th Floor
50250 Kuala Lumpur
Jalan Sultan Ismail
PO Box 322
United Arab Emirates